ctenidium

简明释义

英[kɪˈnɪd.i.əm]美[kɪˈnɪd.i.əm]

n. [无脊椎] 栉鳃

复 数 c t e n i d i a

英英释义

单词用法

同义词

反义词

例句

1.The gills of the mollusk are lined with structures called ctenidia, which help in respiration.

软体动物的腮部被称为ctenidia的结构所覆盖，有助于呼吸。

2.Researchers observed the ctenidia of various aquatic organisms to study their respiratory efficiency.

研究人员观察了各种水生生物的ctenidia以研究其呼吸效率。

3.The ctenidia in certain species can also play a role in nutrient absorption.

某些物种中的ctenidia也可以在营养吸收中发挥作用。

4.In marine biology, the function of ctenidia is crucial for understanding how bivalves filter water.

在海洋生物学中，理解ctenidia的功能对于了解双壳类动物如何过滤水至关重要。

5.The structure of the ctenidia can vary significantly among different species of mollusks.

不同种类的软体动物之间，ctenidia的结构可能会有显著差异。

作文

In the fascinating world of biology, the term ctenidium refers to a comb-like structure found in certain aquatic animals, particularly in the phylum Cnidaria. These structures are primarily used for locomotion and feeding, showcasing the incredible adaptations that organisms have developed to thrive in their environments. The study of ctenidium is essential for understanding how these creatures interact with their ecosystems and how they have evolved over time.To delve deeper into the significance of ctenidium, we must first explore its role in the life of organisms such as jellyfish and certain types of polyps. In jellyfish, for instance, ctenidium serves as a means of propulsion through the water. As these animals contract their bell-shaped bodies, the ctenidia help to create a current that pulls them forward, allowing them to navigate their surroundings efficiently. This method of movement is not only effective but also energy-efficient, making it a remarkable adaptation for survival.Moreover, ctenidium plays a crucial role in feeding mechanisms for many aquatic animals. Some species utilize these structures to capture plankton and other microscopic organisms. By extending their ctenidia, they can trap food particles that drift by in the water, ensuring a steady supply of nutrients necessary for their growth and reproduction. This feeding strategy highlights the intricate relationship between anatomy and ecology, demonstrating how physical structures can influence dietary habits and habitat preferences.The evolutionary significance of ctenidium cannot be overlooked. Researchers have studied these structures to gain insights into the evolutionary pathways of various marine species. By examining the similarities and differences in ctenidia across different species, scientists can infer how these animals have adapted to their specific environments over millions of years. This research not only enhances our understanding of marine biology but also provides valuable information about the health of ocean ecosystems, as changes in these structures may indicate shifts in environmental conditions.In addition to their biological importance, ctenidia also serve as a reminder of the complexity and diversity of life forms on our planet. Each organism, with its unique adaptations, contributes to the rich tapestry of biodiversity that exists in our oceans. As we continue to explore and document these fascinating creatures, we must also recognize the need for conservation efforts to protect their habitats from human-induced threats such as pollution and climate change.In conclusion, the study of ctenidium offers a window into the remarkable adaptations that aquatic animals have developed for survival. From their roles in locomotion and feeding to their evolutionary significance, ctenidia are key components of the biological puzzle that helps us understand life in the ocean. As we strive to protect our marine environments, knowledge of structures like ctenidium will be vital in ensuring that future generations can appreciate and learn from the wonders of the natural world.

在生物学的迷人世界中，术语ctenidium指的是某些水生动物（特别是腔肠动物门）中发现的一种梳状结构。这些结构主要用于运动和捕食，展示了生物为了在其环境中生存而发展出的令人难以置信的适应能力。研究ctenidium对于理解这些生物如何与生态系统相互作用以及它们如何随时间演化至关重要。要更深入地探讨ctenidium的重要性，我们必须首先了解它在水母和某些类型的珊瑚虫等生物生活中的作用。例如，在水母中，ctenidium作为一种推进手段，通过水中游动。当这些生物收缩其钟形身体时，ctenidia帮助产生一个流动，使它们向前移动，从而有效地导航周围环境。这种移动方式不仅有效，而且节能，使其成为生存的显著适应。此外，ctenidium在许多水生动物的捕食机制中也发挥着关键作用。一些物种利用这些结构捕捉浮游生物和其他微观生物。通过伸展其ctenidia，它们可以捕获在水中漂流的食物颗粒，确保获得必要的营养，以支持它们的生长和繁殖。这种捕食策略突显了解剖学与生态之间的复杂关系，展示了物理结构如何影响饮食习惯和栖息地偏好。ctenidium的进化意义不可忽视。研究人员研究这些结构以获得对各种海洋物种进化路径的见解。通过检查不同物种之间ctenidia的相似性和差异，科学家可以推断出这些动物如何在数百万年中适应其特定环境。这项研究不仅增强了我们对海洋生物学的理解，还提供了有关海洋生态系统健康的宝贵信息，因为这些结构的变化可能表明环境条件的变化。除了它们的生物学重要性，ctenidia还提醒我们地球上生命形式的复杂性和多样性。每一种生物及其独特的适应能力都为我们星球上存在的丰富生物多样性做出了贡献。随着我们继续探索和记录这些迷人的生物，我们还必须认识到保护工作的重要性，以保护它们的栖息地不受污染和气候变化等人类造成的威胁。总之，研究ctenidium为我们提供了一个窗口，展示水生动物为生存而发展出的显著适应能力。从它们在运动和捕食中的角色到它们的进化意义，ctenidia是帮助我们理解海洋生命的生物学拼图的关键组成部分。在我们努力保护海洋环境的过程中，了解像ctenidium这样的结构将对确保未来世代能够欣赏和学习自然界的奇迹至关重要。